US8616653B2 - Frame structure of seat cushion for vehicle seat - Google Patents

Frame structure of seat cushion for vehicle seat Download PDF

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Publication number
US8616653B2
US8616653B2 US12/682,053 US68205308A US8616653B2 US 8616653 B2 US8616653 B2 US 8616653B2 US 68205308 A US68205308 A US 68205308A US 8616653 B2 US8616653 B2 US 8616653B2
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Prior art keywords
extending
erect
side panel
frame structure
panel
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US12/682,053
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US20100264717A1 (en
Inventor
Tomokazu Fukuda
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Toyota Boshoku Corp
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Toyota Boshoku Corp
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Assigned to TOYOTA BOSHOKU KABUSHIKI KAISHA reassignment TOYOTA BOSHOKU KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUKUDA, TOMOKAZU
Publication of US20100264717A1 publication Critical patent/US20100264717A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/682—Joining means

Definitions

  • the present invention relates to a frame structure of a seat cushion for a vehicle seat.
  • a vehicle seat has a seat cushion, and a seat back mounted to the rear portion of the seat cushion.
  • Each of the seat cushion and the seat back is mainly composed of a frame structure and a pad attached to the frame structure.
  • the frame structure of the seat cushion has, for example, right and left panel portions and a front panel portion that are formed, for example, of plate materials (See JP 2007-212196 A).
  • a vehicle seat has right and left plate-like side panels constituting the side portions of a seat cushion, and a tubular front pipe reinforcing the front side portions of the right and left side panels.
  • the front pipe has right and left erect portions extending substantially over the entire length of the front sides of the side panels, right and left extending portions extending forward from the upper end portions of the right and left erect portions, and a bridge portion bridging across the front end portions of the right and left extending portions.
  • the front pipe is stronger than the conventional plate-like member. Further, drawing or the like, which is necessary in the case of the plate-like member, is not required, so that it can be formed at low cost.
  • the front pipe transmits the force in the following order: the bridge portion, the extending portions, and the erect portions. And, since the erect portions extend substantially over the entire length of the front sides of the side panels, the above-mentioned force can be reliably received by the erect portions.
  • the frame structure receives a force sidewise, it can efficiently receive and withstand the force due to the bridge portion of the front pipe. Further, since the side panels are of a plate-like configuration, seat components such as switches can be easily attached thereto.
  • a horizontally extending rod is mounted between the front portions of the right and left side panels. And, the erect portion of the front pipe is adjacent to the front side of the rod. Due to this aspect, when the front pipe receives a force from the front to the rear side, the erect portion of the front pipe and the force can be received by the rod. Thus, through cooperation of the front pipe and the rod, the strength of the frame structure is enhanced.
  • Still another aspect of the present invention is that, between a front lower portion of the side panel and a lower portion of the erect portion of the front pipe, there is provided a connection member connecting them to each other.
  • the connection member includes a protruding portion protruding forwards from the lower portion of the erect portion.
  • FIG. 1 is a perspective view of a frame structure of a vehicle seat
  • FIG. 2 is a side view of the frame structure of the vehicle seat.
  • FIG. 3 is a top view of the frame structure of the vehicle seat.
  • a seat 10 is a seat of a vehicular such as an automobile, and has a seat cushion 10 a , a seat back 10 b , and slide devices 13 .
  • the seat cushion 10 a and the seat back 10 b are mainly composed of frame structures 1 and 11 , and pads (not shown) attached to the frame structures 1 and 11 .
  • the frame structure 11 of the seat back 10 b has right and left side plate-like side frames 11 a , and a tubular upper pipe 11 b connecting the upper end portions of the side frames 11 a to each other. Between the lower portions of the side frames 11 a , there is mounted a reinforcing plate 11 c connecting and reinforcing them. The lower portions of the side frames 11 a are connected to the frame structure 1 of the seat cushion 10 a by reclining devices 12 so as to allow angular adjustment.
  • the frame structure 1 of the seat cushion 10 a has right and left plate-like side panels 2 , and a tubular front pipe 3 connecting the front portions of the right and left side panels 2 to each other.
  • Each of the side panels 2 consists of a single component in the form of a single plate, constituting a side wall portion of the seat cushion 10 a .
  • Lower end portions 2 a of the side panels 2 are bent toward the center of the seat 10 , and are mounted to the slide devices 13 .
  • a rear side reinforcing rod 5 connecting and reinforcing them.
  • a front side reinforcing rod 6 connecting and reinforcing them.
  • An anchor 15 is mounted to the lower portion of the side surface of the side panel 2 situated on the vehicular center side, and a seat belt 16 is attached to the anchor 15 .
  • Flanges 2 b protruding toward the center of the seat 10 are formed on the upper sides of the side panels 2 .
  • the front end portions of the side panels 2 have no flanges or the like and are of a simple construction substantially consisting of flat surfaces. In the front portions of the flanges 2 b , there are formed openings 2 c where the front pipe 3 is installed.
  • the front pipe 3 is consisted of a tubular pipe, and integrally comprises a pair of erect portions 3 a , a pair of extending portions 3 b , and a bridge portion 3 c .
  • the erect portions 3 a are on the front side of the side panels 2 and on the seat 10 center side of the side panels 2 .
  • the erect portions 3 a extend along the front sides of the side panels 2 over substantially the entire length of the front sides.
  • the upper portions of the erect portions 3 a extend through the openings 2 c of the side panels 2 , and protrude above the side panels 2 .
  • the erect portions 3 a are attached to the side panels 2 by welding or the like, and are at the front side of and adjacent to the front side reinforcing rod 6 with slight gaps therebetween.
  • the extending portions 3 b extend forwards from the upper end portions of the erect portions 3 a , extending on the front side of the side panels 2 .
  • the bridge portion 3 c extends horizontally so as to connect the front end portions of the right and left extending portions 3 b .
  • An elastic support body 14 is attached to the upper side of the bridge portion 3 c and of the rear side reinforcing rod 5 .
  • the elastic support body 14 is formed of a metal plate material capable of elastic deformation. Formed at the front side portion of the elastic support body 14 is a front latching portion 14 a to be latched on the bridge portion 3 c .
  • a pair of rear latching portions 14 b Formed at the rear side portion of the elastic support body 14 are a pair of rear latching portions 14 b to be latched on the rear side reinforcing rod 5 .
  • a pad (not shown) is installed on the elastic support body 14 , and the pad is elastically retained from below by the elastic support body 14 .
  • connection members 4 connecting them to each other.
  • Each connection member 4 has a base portion 4 b and a protruding portion 4 a provided so as to be erect at the front end of the base portion 4 b .
  • the base portions 4 b are mounted to the front lower portions of the side panels 2 , more specifically, to the front upper surfaces of the lower end portions 2 a , by welding or the like.
  • the lower portions of the erect portions 3 a are mounted to the base portions 4 b and the protruding portions 4 a by welding or the like.
  • the protruding portions 4 a protrude on the front side of the lower portions of the erect portions 3 a .
  • the protruding portions 4 a due to the protruding portions 4 a , the lower portions of the erect portions 3 a can be prevented from being detached from the side panel 2 sides.
  • the slide devices 13 are devices supporting the seat 10 so as to allow it to slide longitudinally with respect to the floor, and have lower rails 13 a and upper rails 13 b .
  • the lower rails 13 a are mounted to the floor.
  • the upper rails 13 b are slidably mounted to the lower rails 13 a .
  • Protrusions 13 c are formed on the front portions of the upper surfaces of the upper rails 13 b .
  • the protrusions 13 c are passed through through-holes formed in the lower end portions 2 a of the side panels 2 and through through-holes formed in the base portions 4 b of the connection members 4 .
  • the lower end portions 2 a of the side panels 2 are mounted to the upper surfaces of the upper rails 13 b by welding or the like.
  • seat components such as an operating lever and a switch, which are operated when adjusting the seat attitude and the seat position.
  • the frame structure 1 has the right and left plate-like side panels 2 , and the tubular front pipe 3 .
  • the front pipe 3 has the right and left erect portions 3 a , the right and left extending portions 3 b , and the bridge portion 3 c.
  • the front pipe 3 has a higher strength than the conventional plate-like member. Further, unlike the plate-like member, it requires no drawing processing or the like, so that it can be formed at low cost.
  • the front pipe 3 transmits the force in the following order: the bridge portion 3 c , the extending portions 3 b , and the erect portions 3 a . And, since the erect portions 3 a extend substantially over the entire length of the front sides of the side panels 2 , the above-mentioned force can be reliably received by the erect portions 3 a .
  • the frame structure 1 when a force is applied to it sidewise, the frame structure 1 can efficiently receive and withstand the force by virtue of the bridge portion 3 c of the front pipe 3 . Further, due to their plate-like configuration, the side panels 2 easily allow attachment of seat components such as switches.
  • the front side reinforcing rod 6 is mounted between the front portions of the right and left side panels 2 . And, the erect portions 3 a of the front pipe 3 are adjacent to the front side of the front side reinforcing rod 6 .
  • the front side reinforcing rod 6 can be receive by virtue of the front side reinforcing rod 6 .
  • the strength of the frame structure 1 is enhanced.
  • connection members 4 connecting them to each other.
  • the connection members 4 have the protruding portions 4 a protruding on the front side of the lower portions of the erect portions 3 a .
  • the erect portions 3 a of the front pipe 3 can be reliably connected to the side panels 2 by virtue of the connection members 4 .
  • forward movement of the lower portions of the erect portions 3 a of the front pipe 3 is regulated by the protruding portions 4 a of the connection members 4 .
  • the erect portions 3 a are not easily detachable with respect to the side panels 2 .
  • each side panel 2 is formed as a single component in the form of a single plate.
  • the requisite number of fastening operations using rivets or the like is reduced.
  • the side panels can be formed at lower cost.
  • the front pipe 3 has the extending portions 3 b extending on the front side of the side panels 2 .
  • the longitudinal length of the side panels 2 can be reduced by an amount corresponding to the length of the extending portions 3 b.
  • the present invention is not restricted to the above configuration but allows adoption of the following configurations.
  • the front pipe 3 of the above configuration is formed by a tubular pipe.
  • the front pipe it is also possible for the front pipe to be formed by a rectangular-tube-shaped pipe or the like.
  • the erect portions 3 a of the front pipe 3 are adjacent to the front side of the rod 6 with gaps therebetween.
  • each side panel 2 is formed as a single component in the form of a single plate.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

A frame structure of a seat cushion can include a right and left plate-like side panel having side portions of the seat cushion, and a tubular front pipe reinforcing front side portions of the right and left side panels. The front pipe can include right and left erect portions extending over the length of front sides of the side panels, right and left extending portions extending forward from upper end portions of the right and left erect portions, and a bridge portion bridging across front end portions of the right and left extending portions.

Description

TECHNICAL FIELD
The present invention relates to a frame structure of a seat cushion for a vehicle seat.
BACKGROUND ART
Generally speaking, a vehicle seat has a seat cushion, and a seat back mounted to the rear portion of the seat cushion. Each of the seat cushion and the seat back is mainly composed of a frame structure and a pad attached to the frame structure. The frame structure of the seat cushion has, for example, right and left panel portions and a front panel portion that are formed, for example, of plate materials (See JP 2007-212196 A).
However, since the front panel portion must be strong enough to withstand a shock at the time of collision or the like of the vehicle, it is necessary to perform drawing or bending on the plate material thereof to achieve an enhancement in strength. This involves a rather high cost. Therefore, there is a need in the art to provide a frame structure of a seat cushion for a vehicle seat which is of high strength and which can be formed at low cost.
SUMMARY
According to one aspect of the present invention, a vehicle seat has right and left plate-like side panels constituting the side portions of a seat cushion, and a tubular front pipe reinforcing the front side portions of the right and left side panels. And, the front pipe has right and left erect portions extending substantially over the entire length of the front sides of the side panels, right and left extending portions extending forward from the upper end portions of the right and left erect portions, and a bridge portion bridging across the front end portions of the right and left extending portions.
According to this aspect, due to its tubular configuration, the front pipe is stronger than the conventional plate-like member. Further, drawing or the like, which is necessary in the case of the plate-like member, is not required, so that it can be formed at low cost. When the vehicle undergoes collision (forward collision), and the front portion of the seat receives a large downward force due to the weight of the occupant or the like, the front pipe transmits the force in the following order: the bridge portion, the extending portions, and the erect portions. And, since the erect portions extend substantially over the entire length of the front sides of the side panels, the above-mentioned force can be reliably received by the erect portions. Further, when the frame structure receives a force sidewise, it can efficiently receive and withstand the force due to the bridge portion of the front pipe. Further, since the side panels are of a plate-like configuration, seat components such as switches can be easily attached thereto.
According to another aspect of the present invention, a horizontally extending rod is mounted between the front portions of the right and left side panels. And, the erect portion of the front pipe is adjacent to the front side of the rod. Due to this aspect, when the front pipe receives a force from the front to the rear side, the erect portion of the front pipe and the force can be received by the rod. Thus, through cooperation of the front pipe and the rod, the strength of the frame structure is enhanced.
Still another aspect of the present invention is that, between a front lower portion of the side panel and a lower portion of the erect portion of the front pipe, there is provided a connection member connecting them to each other. The connection member includes a protruding portion protruding forwards from the lower portion of the erect portion. Thus, due to this aspect, the erect portion of the front pipe can be reliably connected to the side panel by means of the connection member. Further, forward movement of the lower portion of the erect portion of the front pipe is regulated by the protruding portion of the connection member. Thus, the erect portion is not easily detachable with respect to the side panel.
BRIEF DESCRIPTION OF DRAWINGS
FIG. 1 is a perspective view of a frame structure of a vehicle seat;
FIG. 2 is a side view of the frame structure of the vehicle seat; and
FIG. 3 is a top view of the frame structure of the vehicle seat.
 BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. 1 to 3. As shown in FIGS. 1 and 2, a seat 10 is a seat of a vehicular such as an automobile, and has a seat cushion 10 a, a seat back 10 b, and slide devices 13. The seat cushion 10 a and the seat back 10 b are mainly composed of frame structures 1 and 11, and pads (not shown) attached to the frame structures 1 and 11.
As shown in FIGS. 1 to 3, the frame structure 11 of the seat back 10 b has right and left side plate-like side frames 11 a, and a tubular upper pipe 11 b connecting the upper end portions of the side frames 11 a to each other. Between the lower portions of the side frames 11 a, there is mounted a reinforcing plate 11 c connecting and reinforcing them. The lower portions of the side frames 11 a are connected to the frame structure 1 of the seat cushion 10 a by reclining devices 12 so as to allow angular adjustment.
The frame structure 1 of the seat cushion 10 a has right and left plate-like side panels 2, and a tubular front pipe 3 connecting the front portions of the right and left side panels 2 to each other. Each of the side panels 2 consists of a single component in the form of a single plate, constituting a side wall portion of the seat cushion 10 a. Lower end portions 2 a of the side panels 2 are bent toward the center of the seat 10, and are mounted to the slide devices 13.
Mounted to the rear upper portions of the right and left panels 2 is a rear side reinforcing rod 5 connecting and reinforcing them. Mounted to the front upper portions of the right and left side panels 2 is a front side reinforcing rod 6 connecting and reinforcing them. An anchor 15 is mounted to the lower portion of the side surface of the side panel 2 situated on the vehicular center side, and a seat belt 16 is attached to the anchor 15. Flanges 2 b protruding toward the center of the seat 10 are formed on the upper sides of the side panels 2. The front end portions of the side panels 2 have no flanges or the like and are of a simple construction substantially consisting of flat surfaces. In the front portions of the flanges 2 b, there are formed openings 2 c where the front pipe 3 is installed.
The front pipe 3 is consisted of a tubular pipe, and integrally comprises a pair of erect portions 3 a, a pair of extending portions 3 b, and a bridge portion 3 c. The erect portions 3 a are on the front side of the side panels 2 and on the seat 10 center side of the side panels 2. The erect portions 3 a extend along the front sides of the side panels 2 over substantially the entire length of the front sides. The upper portions of the erect portions 3 a extend through the openings 2 c of the side panels 2, and protrude above the side panels 2. The erect portions 3 a are attached to the side panels 2 by welding or the like, and are at the front side of and adjacent to the front side reinforcing rod 6 with slight gaps therebetween.
The extending portions 3 b extend forwards from the upper end portions of the erect portions 3 a, extending on the front side of the side panels 2. The bridge portion 3 c extends horizontally so as to connect the front end portions of the right and left extending portions 3 b. An elastic support body 14 is attached to the upper side of the bridge portion 3 c and of the rear side reinforcing rod 5. The elastic support body 14 is formed of a metal plate material capable of elastic deformation. Formed at the front side portion of the elastic support body 14 is a front latching portion 14 a to be latched on the bridge portion 3 c. Formed at the rear side portion of the elastic support body 14 are a pair of rear latching portions 14 b to be latched on the rear side reinforcing rod 5. A pad (not shown) is installed on the elastic support body 14, and the pad is elastically retained from below by the elastic support body 14.
Between the lower portions of the erect portions 3 a and the front lower portions of the side panels 2, there are mounted connection members 4 connecting them to each other. Each connection member 4 has a base portion 4 b and a protruding portion 4 a provided so as to be erect at the front end of the base portion 4 b. The base portions 4 b are mounted to the front lower portions of the side panels 2, more specifically, to the front upper surfaces of the lower end portions 2 a, by welding or the like. And, the lower portions of the erect portions 3 a are mounted to the base portions 4 b and the protruding portions 4 a by welding or the like. The protruding portions 4 a protrude on the front side of the lower portions of the erect portions 3 a. Thus, due to the protruding portions 4 a, the lower portions of the erect portions 3 a can be prevented from being detached from the side panel 2 sides.
The slide devices 13 are devices supporting the seat 10 so as to allow it to slide longitudinally with respect to the floor, and have lower rails 13 a and upper rails 13 b. The lower rails 13 a are mounted to the floor. The upper rails 13 b are slidably mounted to the lower rails 13 a. Protrusions 13 c are formed on the front portions of the upper surfaces of the upper rails 13 b. The protrusions 13 c are passed through through-holes formed in the lower end portions 2 a of the side panels 2 and through through-holes formed in the base portions 4 b of the connection members 4. And, the lower end portions 2 a of the side panels 2 are mounted to the upper surfaces of the upper rails 13 b by welding or the like.
Mounted to the side panels 2 are seat components (not shown), such as an operating lever and a switch, which are operated when adjusting the seat attitude and the seat position.
As described above, the frame structure 1 has the right and left plate-like side panels 2, and the tubular front pipe 3. And, the front pipe 3 has the right and left erect portions 3 a, the right and left extending portions 3 b, and the bridge portion 3 c.
Thus, due to its tubular configuration, the front pipe 3 has a higher strength than the conventional plate-like member. Further, unlike the plate-like member, it requires no drawing processing or the like, so that it can be formed at low cost. When the vehicular undergoes collision (forward collision) and the front portion thereof receives a large downward force due to the weight of the occupant or the like, the front pipe 3 transmits the force in the following order: the bridge portion 3 c, the extending portions 3 b, and the erect portions 3 a. And, since the erect portions 3 a extend substantially over the entire length of the front sides of the side panels 2, the above-mentioned force can be reliably received by the erect portions 3 a. Further, when a force is applied to it sidewise, the frame structure 1 can efficiently receive and withstand the force by virtue of the bridge portion 3 c of the front pipe 3. Further, due to their plate-like configuration, the side panels 2 easily allow attachment of seat components such as switches.
The front side reinforcing rod 6 is mounted between the front portions of the right and left side panels 2. And, the erect portions 3 a of the front pipe 3 are adjacent to the front side of the front side reinforcing rod 6. Thus, when a force from the front toward the rear side is applied to the front pipe 3, the erect portions 3 a of the front pipe 3 and the force can be receive by virtue of the front side reinforcing rod 6. Thus, through cooperation of the front pipe 3 and the front side reinforcing rod 6, the strength of the frame structure 1 is enhanced.
Between the side panels 2 and the erect portions 3 a of the front pipe 3, there are provided the connection members 4 connecting them to each other. The connection members 4 have the protruding portions 4 a protruding on the front side of the lower portions of the erect portions 3 a. Thus, the erect portions 3 a of the front pipe 3 can be reliably connected to the side panels 2 by virtue of the connection members 4. Further, forward movement of the lower portions of the erect portions 3 a of the front pipe 3 is regulated by the protruding portions 4 a of the connection members 4. Thus, the erect portions 3 a are not easily detachable with respect to the side panels 2.
Further, each side panel 2 is formed as a single component in the form of a single plate. Thus, as compared with a structure composed of a plurality of members, the requisite number of fastening operations using rivets or the like is reduced. Thus, the side panels can be formed at lower cost. Further, the front pipe 3 has the extending portions 3 b extending on the front side of the side panels 2. Thus, the longitudinal length of the side panels 2 can be reduced by an amount corresponding to the length of the extending portions 3 b.
The present invention is not restricted to the above configuration but allows adoption of the following configurations.
(1) The front pipe 3 of the above configuration is formed by a tubular pipe. However, it is also possible for the front pipe to be formed by a rectangular-tube-shaped pipe or the like.
(2) In the above configuration, the erect portions 3 a of the front pipe 3 are adjacent to the front side of the rod 6 with gaps therebetween. However, it is also possible to adopt a configuration in which the erect portions 3 a are adjacent to (or in contact with) the front side of the rod 6 with no gaps therebetween.
(3) In the above configuration, each side panel 2 is formed as a single component in the form of a single plate. However, it is also possible to adopt, for example, a configuration in which each side panel is formed as a single panel composed of a plurality of components.

Claims (19)

What is claimed is:
1. A frame structure of a seat cushion for a vehicular seat, comprising:
a right plate-like side panel and a left plate-like side panel constituting side portions of the seat cushion;
a tubular front pipe reinforcing front side portions of the right plate-like side panel and the left plate-like side panel,
wherein the front pipe includes:
a right erect portion and a left erect portion, the right erect portion and the left erect portion respectively extending substantially over an entire length of a front side of the right plate-like side panel and a front side of the left plate-like side panel so as to protrude above each plate-like side panel, and the right erect portion and left erect portion being oriented in a first plane,
a right extending portion and a left extending portion extending forward from an upper end portion of the right erect portion and an upper end portion of the left erect portion, respectively, the right extending portion and the left extending portion being oriented in a second plane, and the first plane and the second plane being oriented substantially perpendicular to each other, and
a bridge portion bridging a front end portion of the right extending portion and a front end portion of the left extending portion; and
a horizontally extending rod having a longitudinal axis extending in a direction that a longitudinal axis of the bridge portion extends such that the horizontally extending rod is mounted between a front portion of the right plate-like side panel and a front portion of the left plate-like side panel.
2. The frame structure of the seat cushion for the vehicular seat as in claim 1, wherein the right erect portion and the left erect portion of the front pipe are adjacent to a front side of the rod.
3. The frame structure of the seat cushion for the vehicular seat as in claim 2, wherein a front vertically extending edge of each plate-like side panel is positioned in front of the horizontally extending rod, the vertically extending edge of the right plate-like side panel abutting the right erect portion, and the vertically extending edge of the left plate-like side panel abutting the left erect portion.
4. The frame structure of the seat cushion for the vehicular seat as in claim 1, wherein a connection member is provided between a front lower portion of each side panel and a lower portion of each erect portion of the front pipe to connect each side panel to each erect portion, the connection member including a protruding portion configured to protrude from a front side of the lower portion of the erect portion.
5. A frame structure for a vehicular seat, comprising:
a right side panel and a left side panel;
a front rod extending between a front side portion of each panel;
a rear rod extending between a back side portion of each panel;
a front pipe proximate to and in front of the front rod in a front-rear vehicular seat direction, wherein the front pipe includes:
a right side erect portion and a left side erect portion, the right side erect portion and the left side erect portion extending upward to a right side extending portion and a left side extending portion, respectively, each extending portion extending in a direction away from the front rod, the right side erect portion and left side erect portion being oriented in a first plane, the right side extending portion and the left side extending portion being oriented in a second plane, and the first plane and the second plane being oriented substantially perpendicular to each other,
a bridge portion horizontally extending between the right side extending portion and the left side extending portion;
a right side connection member and a left side connection member connecting the front pipe to the right side panel and the left side panel, respectively; and
a horizontally extending rod having a longitudinal axis extending in a direction that a longitudinal axis of the bridge portion extends such that the horizontally extending rod is mounted between a front portion of the right side panel and a front portion of the left side panel.
6. The frame structure as in claim 5, wherein each connection member includes a base portion and a protruding portion.
7. The frame structure as in claim 6, wherein each base portion is connected to a lower portion of the front side portion of the right side panel and a lower portion of the front side portion of the left side panel.
8. The frame structure as in claim 6, wherein each base portion is weld connected to a lower portion of the front side portion of the right side panel and a lower portion of the front side portion of the left side panel.
9. The frame structure as in claim 6, wherein a lower portion of the right erect portion and a lower portion of the left erect portion is connected to each protruding portion.
10. The frame structure as in claim 5, further including an elastic support body.
11. The frame structure as in claim 10, wherein the elastic support body is connected between the front pipe and the rear rod.
12. The frame structure as in claim 5, wherein a front vertically extending edge of each side panel is positioned in front of the front rod, the vertically extending edge of the right side panel abutting the right side erect portion, and the vertically extending edge of the left side panel abutting the left side erect portion.
13. A frame structure for a vehicular seat, comprising:
a right side panel and a left side panel;
a front rod extending between a front side portion of each panel;
a rear rod extending between a back side portion of each panel,
a front pipe positioned proximate to and in front of the front rod in a front-rear vehicular seat direction, wherein the front pipe is connected to each panel and includes:
a right side erect portion and a left side erect portion, the right side erect portion and the left side erect portion extending upward to a right side extending portion and a left side extending portion, respectively, each extending portion extending in a direction away from the front rod, the right side erect portion and left side erect portion being oriented in a first plane, the right side extending portion and the left side extending portion being oriented in a second plane, and the first plane and the second plane being oriented substantially perpendicular to each other;
an elastic support body is connected between the front pipe and the rear rod; and
a horizontally extending rod having a longitudinal axis extending in a direction that a longitudinal axis of the bridge portion extends such that the horizontally extending rod is mounted between a front portion of the right side panel and a front portion of the left side panel.
14. The frame structure as in claim 13, further including a right side connection member and a left side connection member connecting the front pipe to the right side panel and the left side panel, respectively.
15. The frame structure as in claim 14, wherein each connection member includes a base portion and a protruding portion.
16. The frame structure as in claim 15, wherein each base portion is connected to a lower portion of the front side portion of the right side panel and a lower portion of the front side portion of the left side panel.
17. The frame structure as in claim 15, wherein each base portion is weld connected to a lower portion of the front side portion of the right side panel and a lower portion of the front side portion of the left side panel.
18. The frame structure as in claim 15, wherein a lower portion of the right erect portion and a lower portion of the left erect portion is connected to each protruding portion.
19. The frame structure as in claim 13, wherein a front vertically extending edge of each side panel is positioned in front of the front rod, the vertically extending edge of the right side panel abutting the right side erect portion, and the vertically extending edge of the left side panel abutting the left side erect portion.
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US9139120B2 (en) * 2012-02-01 2015-09-22 Toyota Boshoku Kabushiki Kaisha Seat cushion frame for vehicle
US11247586B2 (en) * 2018-03-21 2022-02-15 Fisher Dynamics Germany Gmbh Seat support frame of a motor vehicle seat comprising a seat frame and an inclination-adjustable seat shell

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CN101835659A (en) 2010-09-15
US20100264717A1 (en) 2010-10-21
WO2009069339A1 (en) 2009-06-04
JPWO2009069339A1 (en) 2011-04-07
DE112008003173T5 (en) 2011-01-20
DE112008003173B4 (en) 2022-05-05
JP5359880B2 (en) 2013-12-04

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